Keeping track of
family relationships can
be complicated and it's
sometimes hard to figure
out how one person is
related to another,
especially when you come
upon second, third or
fourth cousins. We hope
the chart below will
help.

Abbreviations
Used:

CA

Common
Ancestor

C

Child

GC

Grandchild

GGC

Great
Grandchild

S

Sibling
(Brother/Sister)

N

Niece/Nephew

GN

Grand
Niece/Nephew

GGN

Great
Grand
Niece/Nephew

#C

Cousin
Relationship,
e.g., 1C =
First
Cousin,
etc.

#R

# of times
removed,
e.g., 4R =
4 times
removed,
etc.

The box marked CA on
the chart in the
upper left-hand
corner is the common
ancestor of two
people.

Identify the
relationship of the
first person to the
common ancestor,
e.g., child,
grandchild, 8th
great grandchild,
etc. Find that box
on the top row.

Identify the
relationship of the
second person to the
common ancestor,
e.g., grandchild,
great grandchild,
3rd great
grandchild, etc.
Find that box in the
left-hand column.

Follow the column
straight down from
the top row and
follow the row
straight across from
the left-hand
column. The
relationship of the
second person to the
first person will be
the box where the
two lines meet.

0

1

2

3

4

5

6

7

8

9

10

0

CA

C

GC

GGC

2 GGC

3 GGC

4 GGC

5 GGC

6 GGC

7 GGC

8 GGC

1

C

S

N

GN

GGN

2 GGN

3 GGN

4 GGN

5 GGN

6 GGN

7 GGN

2

GC

N

1C

1C 1R

1C 2R

1C 3R

1C 4R

1C 5R

1C 6R

1C 7R

1C 8R

3

GGC

GN

1C 1R

2C

2C 1R

2C 2R

2C 3R

2C 4R

2C 5R

2C 6R

2C 7R

4

2 GGC

GGN

1C 2R

2C 1R

3C

3C 1R

3C 2R

3C 3R

3C 4R

3C 5R

3C 6R

5

3 GGC

2 GGN

1C 3R

2C 2R

3C 1R

4C

4C 1R

4C 2R

4C 3R

4C 4R

4C 5R

6

4 GGC

3 GGN

1C 4R

2C 3R

3C 2R

4C 1R

5C

5C 1R

5C 2R

5C 3R

5C 4R

7

5 GGC

4 GGN

1C 5R

2C 4R

3C 3R

4C 2R

5C 1R

6C

6C 1R

6C 2R

6C 3R

8

6 GGC

5 GGN

1C 6R

2C 5R

3C 4R

4C 3R

5C 2R

6C 1R

7C

7C 1R

7C 2R

9

7 GGC

6 GGN

1C 7R

2C 6R

3C 5R

4C 4R

5C 3R

6C 2R

7C 1R

8C

8C 1R

10

8 GGC

7 GGN

1C 8R

2C 7R

3C 6R

4C 5R

5C 4R

6C 3R

7C 2R

8C 1R

9C

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